Home / 165,742.10-248,807.55-164,575.70

Finding the Fourth Proportional to 165,742.10, 248,807.55 and 164,575.70

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Solution

The fourth proportional to 165,742.10, 248,807.55 and 164,575.70 is: 247,056.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,742.10 : 248,807.55 = 164,575.70 : x
  2. Step 2: Convert to fraction form
    165,742.10/248,807.55 = 164,575.70/x
  3. Step 3: Cross multiply
    165,742.10x = 248,807.55 × 164,575.70
  4. Step 4: Simplify right side
    165,742.10x = 40,947,676,706.54
  5. Step 5: Solve for x
    x = 40,947,676,706.54/165,742.10
  6. Step 6: Final answer
    x = 247,056.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.